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Giant iceberg splits from Antarctic

Giant iceberg splits from Antarctic

Giant iceberg splits from Antarctic

It is estimated that the giant block covers an area of ​​approximately 6000 km2; This is about a quarter the size of Wales.

A US satellite has observed the berg Wednesday of a region known as the Larsen ice shelf named C.

The scientists waited. They had followed the development of a large crack in the Larsen ice for more than a decade.
The extent of the breakdown has accelerated since 2014, so an increasingly likely garment is imminent.

Tabular banks over 200 m thick will not move very far, very quickly in the short term. But it will monitor. Currents and winds could eventually push north Antarctica, where it could become dangerous for transport.

An infrared sensor from the US space agency Aqua satellite spied the clear water on the crack between the platform and Wednesday berg. The water is warmer compared to the ice and the surrounding air – both being less than zero.

“The flaw was barely visible in the data from the past few weeks, but the signature is not so clear now that it must have grown considerably along its length,” said Professor Adrian Luckman, Midas University’s Swansea project has Followed the evolution of Berg near.

The European Sentinel-1 satellite radar system should also have acquired the images in the last few hours to confirm the break. Sentinel can detect changes in the movement of the giant block relative to the platform.

The new Berg Larsen is probably among the 10 best in history, but it is not a match for some of the real monsters that were observed in Antarctica.

The largest observed in the era of satellites was an object called B-15. It was discharged from the Ross Ice Shelf in 2000 and measures about 11 000 km2. Six years later fragments of this super-berg persisted and passed through New Zealand.

In 1956, it was reported that a US Navy icebreaker Had known a subject of about 32 000 km2. It is bigger than Belgium. Unfortunately, there were no satellites at the time of tracking and monitoring the observation.

We also know that the Larsen C ice shelf itself generates larger icebergs. An object measuring about 9000 km2 occurred in 1986. Many Larsen descendants can be found in a turn in the Weddell Sea, or can be sent north by currents in the Southern Ocean, and even in the South Atlantic.

A number of icebergs in this sector can become trapped on the shallow continental shelf around the overseas British territory of South Georgia, where they are gradually detached.

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